| Geyser | 1974-08-29 |
|---|---|
| Congress Pool | 1800 |
| Echinus | 0853, 1004, 1115, 1227, 1338, 1449, 1603, 1712 |
| Ledge | 1800 |
| Link | 1955, 2259 |
| Values for Old Faithful Area | 1974-08-29 |
|---|---|
| Astronomical Twilight Begin | 04:56 |
| Nautical Twilight Begin | 05:35 |
| Civil Twilight Begin | 06:12 |
| Sunrise | 06:42 |
| Sunset | 20:06 |
| Civil Twilight End | 20:36 |
| Nautical Twilight End | 21:12 |
| Astronomical Twilight End | 21:51 |
| Moon Illumination | 88.9% |